Important initial points

Before starting with Appium, make sure that you have all the necessary software installed. Let's take a look at the prerequisites for Android and iOS:

Prerequisites for Android	Prerequisites for iOS
Java (Version 7 or later)	Mac OS (Version 10.7 or later)
The Android SDK API, Version 17 or higher	Xcode (Version 4.6.3 or higher; 5.1 is recommended)
A real Android device	An iOS provisional profile
Chrome browser on a real device	An iOS real device
Eclipse	The SafariLauncher app
TestNG	ios-webkit-debug-proxy
The Appium Server	Java Version 7
The Appium client library (Java)	Eclipse
Selenium Server and WebDriver Java library	TestNG
The Apk Info app	The Appium server
	The Appium client library (Java)
	Selenium Server and WebDriver Java library

While working with the Android real device, we need to enable USB debugging under Developer options. To enable USB debugging, we have to perform the following steps:

1. Navigate to Settings | About Phone and tap...